Vacuum Screen; Figure 20 - Vacuum Screen - York YST Operation Manual

SECTION 2 - OPTIVIEW CONTROL CENTER INTRODUCTION
noTe: OptiView Control Center Screens shown may NOT represent the exact screens according to the software version utilized.
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figure 20 - vaCuuM SCreen

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This screen displays information pertinent to the
operation of the steam condenser vacuum pumps.
The cooling liquid flow lines are animated whenever
adequate flow has been established to close the
refrigerant condenser liquid flow switch contacts.
diSplaY onlY
exhaust pressure
Displays the pressure in the turbine exhaust line as
measured by a transmitter installed on the turbine.
pump #1 Sealing Water Solenoid (led)
Illuminates when Vacuum Pump #1 Sealing Water
Solenoid Valve is energized to allow sealing water into
the pump housing.
pump #1 Sealing Water flow Switch (open/
Closed)
Displays the status of the Vacuum Pump #1 Sealing
Water Flow Switch digital input. The status will change
from Open to Closed after the Pump #1 Sealing Water
Solenoid LED is illuminated and adequate flow has
been established to close the flow switch contacts.
54

vaCuuM SCreen

pump #1 run output (led)
Illuminates when the Vacuum Pump #1 contactor is
energized to start the pump. This will occur after the
Vacuum Pump #1 Sealing Water Flow Switch status
changes to closed.
pump #1 aux Contact (open/Closed)
Displays the status of the auxiliary contact on the
Vacuum Pump #1 contactor. The status will change
from Open to Closed after the Run Output LED
illuminates indicating that the contactor has pulled in.
pump #2 Sealing Water Solenoid (led)
Illuminates when Vacuum Pump #2 Sealing Water
Solenoid Valve is energized to allow sealing water
into the pump housing. This object only appears if
the MSSP11-Vacuum Pump Mode is set for Dual on
Configuration Screen 1.
pump #2 Sealing Water flow Switch (open/
Closed)
Displays the status of the Vacuum Pump #2 Sealing
Water Flow Switch digital input. The status will change
from Open to Closed after the Pump #2 Sealing Water
Solenoid LED is illuminated and adequate flow has
been established to close the flow switch contacts. This
object only appears if MSSP11-Vacuum Pump Mode is
set for Dual on Configuration Screen 1.
FORM 160.67-O1
ISSUE DATE: 4/1/2015
LD09263
JOHNSON CONTROLS